12255215201 has 4 divisors (see below), whose sum is σ = 12255460272. Its totient is φ = 12254970132.

The previous prime is 12255215179. The next prime is 12255215209. The reversal of 12255215201 is 10251255221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12255215201 - 2¹⁸ = 12254953057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12255215209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17531 + ... + 157536.

It is an arithmetic number, because the mean of its divisors is an integer number (3063865068).

Almost surely, 2^12255215201 is an apocalyptic number.

It is an amenable number.

12255215201 is a deficient number, since it is larger than the sum of its proper divisors (245071).

12255215201 is an equidigital number, since it uses as much as digits as its factorization.

12255215201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245070.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12255215201 in words is "twelve billion, two hundred fifty-five million, two hundred fifteen thousand, two hundred one".